Require Node.js 12.20 and move to ESM

.github/workflows/main.yml

@@ -10,14 +10,10 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
-          - 14
-          - 12
-          - 10
-          - 8
-          - 6
+          - 16
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

index.d.ts

@@ -1,27 +1,18 @@
-declare const validFilename: {
-	/**
-	Check if a string is a [valid filename](https://github.com/sindresorhus/filename-reserved-regex).
+/**
+Check if a string is a [valid filename](https://github.com/sindresorhus/filename-reserved-regex).
 
-	@param input - The string to check.
-	@returns Whether `input` is a valid filename.
+@param input - The string to check.
+@returns Whether `input` is a valid filename.
 
-	@example
-	```
-	import validFilename = require('valid-filename');
+@example
+```
+import isValidFilename from 'valid-filename';
 
-	validFilename('foo/bar');
-	//=> false
+isValidFilename('foo/bar');
+//=> false
 
-	validFilename('foo-bar');
-	//=> true
-	```
-	*/
-	(input: string): boolean;
-
-	// TODO: Remove this for the next major release, refactor the whole definition to:
-	// declare function validFilename(input: string): boolean;
-	// export = validFilename;
-	default: typeof validFilename;
-};
-
-export = validFilename;
+isValidFilename('foo-bar');
+//=> true
+```
+*/
+export default function isValidFilename(input: string): boolean;

index.js

@@ -1,22 +1,17 @@
-'use strict';
-const filenameReservedRegex = require('filename-reserved-regex');
+import filenameReservedRegex, {windowsReservedNameRegex} from 'filename-reserved-regex';
 
-const validFilename = string => {
+export default function isValidFilename(string) {
 	if (!string || string.length > 255) {
 		return false;
 	}
 
-	if (filenameReservedRegex().test(string) || filenameReservedRegex.windowsNames().test(string)) {
+	if (filenameReservedRegex().test(string) || windowsReservedNameRegex().test(string)) {
 		return false;
 	}
 
-	if (/^\.\.?$/.test(string)) {
+	if (string === '.' || string === '..') {
 		return false;
 	}
 
 	return true;
-};
-
-module.exports = validFilename;
-// TODO: Remove this for the next major release
-module.exports.default = validFilename;
+}

index.test-d.ts

@@ -1,4 +1,4 @@
 import {expectType} from 'tsd';
-import validFilename = require('.');
+import isValidFilename from './index.js';
 
-expectType<boolean>(validFilename('foo/bar'));
+expectType<boolean>(isValidFilename('foo/bar'));

license

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) Sindre Sorhus <[email protected]> (sindresorhus.com)
+Copyright (c) Sindre Sorhus <[email protected]> (https://sindresorhus.com)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

package.json

@@ -4,13 +4,16 @@
 	"description": "Check if a string is a valid filename",
 	"license": "MIT",
 	"repository": "sindresorhus/valid-filename",
+	"funding": "https://github.com/sponsors/sindresorhus",
 	"author": {
 		"name": "Sindre Sorhus",
 		"email": "[email protected]",
-		"url": "sindresorhus.com"
+		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=6"
+		"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -31,11 +34,11 @@
 		"string"
 	],
 	"dependencies": {
-		"filename-reserved-regex": "^2.0.0"
+		"filename-reserved-regex": "^3.0.0"
 	},
 	"devDependencies": {
-		"ava": "^1.4.1",
-		"tsd": "^0.7.2",
-		"xo": "^0.24.0"
+		"ava": "^3.15.0",
+		"tsd": "^0.17.0",
+		"xo": "^0.44.0"
 	}
 }

readme.md

@@ -2,30 +2,27 @@
 
 > Check if a string is a [valid filename](https://github.com/sindresorhus/filename-reserved-regex)
 
-
 ## Install
 
 ```
 $ npm install valid-filename
 ```
 
-
 ## Usage
 
 ```js
-const validFilename = require('valid-filename');
+import isValidFilename from 'valid-filename';
 
-validFilename('foo/bar');
+isValidFilename('foo/bar');
 //=> false
 
-validFilename('foo-bar');
+isValidFilename('foo-bar');
 //=> true
 ```
 
-
 ## API
 
-### validFilename(input)
+### isValidFilename(input)
 
 Returns a `boolean` of whether `input` is a valid filename.
 
@@ -35,12 +32,6 @@ Type: `string`
 
 The string to check.
 
-
 ## Related
 
 - [filenamify](https://github.com/sindresorhus/filenamify) - Convert a string to a valid safe filename
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)

test.js

@@ -1,5 +1,5 @@
 import test from 'ava';
-import validFilename from '.';
+import validFilename from './index.js';
 
 test('main', t => {
 	t.true(validFilename('foo-bar'));